BR7410031A - Haste aperfeicoada para brocas de perfuracao por percussa - Google Patents

Haste aperfeicoada para brocas de perfuracao por percussa

Info

Publication number
BR7410031A
BR7410031A BR10031/74A BR1003174A BR7410031A BR 7410031 A BR7410031 A BR 7410031A BR 10031/74 A BR10031/74 A BR 10031/74A BR 1003174 A BR1003174 A BR 1003174A BR 7410031 A BR7410031 A BR 7410031A
Authority
BR
Brazil
Prior art keywords
perfected
rod
drilling drills
drills
drilling
Prior art date
Application number
BR10031/74A
Other languages
English (en)
Portuguese (pt)
Inventor
B Liljekvist
A Hagglund
E Ahlberg
I Carlvik
Original Assignee
Sandvik Ab
Atlas Copco Ab
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sandvik Ab, Atlas Copco Ab filed Critical Sandvik Ab
Publication of BR7410031A publication Critical patent/BR7410031A/pt

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/11—Arrangements of noise-damping means

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Ceramic Products (AREA)
BR10031/74A 1973-12-03 1974-11-29 Haste aperfeicoada para brocas de perfuracao por percussa BR7410031A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7316276A SE390188C (sv) 1973-12-03 1973-12-03 Borrstang for slaende bergborrning

Publications (1)

Publication Number Publication Date
BR7410031A true BR7410031A (pt) 1976-05-25

Family

ID=20319260

Family Applications (1)

Application Number Title Priority Date Filing Date
BR10031/74A BR7410031A (pt) 1973-12-03 1974-11-29 Haste aperfeicoada para brocas de perfuracao por percussa

Country Status (16)

Country Link
US (1) US3971447A (it)
JP (1) JPS5086770A (it)
AT (1) AT357132B (it)
BR (1) BR7410031A (it)
CA (1) CA1021211A (it)
CH (1) CH583846A5 (it)
DE (1) DE2454784B2 (it)
ES (1) ES432481A1 (it)
FI (1) FI350074A (it)
FR (1) FR2253140A1 (it)
GB (1) GB1467688A (it)
IE (1) IE40547B1 (it)
IT (1) IT1025541B (it)
NO (1) NO143467C (it)
SE (1) SE390188C (it)
ZA (1) ZA747052B (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2543578C2 (de) * 1975-09-30 1986-03-06 Friedrich Duss Maschinenfabrik GmbH & Co, 7265 Neubulach Gesteinsbohrer
GB1525145A (en) * 1975-10-09 1978-09-20 Atlas Copco Ab Vibration-damped impact tool
DE2738657A1 (de) * 1977-08-26 1979-03-08 Knorr Bremse Gmbh Schutzbalg fuer bremszylinder
US4142593A (en) * 1977-10-25 1979-03-06 Smith International, Inc. Raise drill inner yoke bridge
DE2851160A1 (de) * 1978-11-25 1980-06-04 Wacker Werke Kg Vorrichtung zum mindern der geraeuschentwicklung an den werkzeugen von bohr- und aufbruchhaemmern
DE2920139C2 (de) * 1979-05-18 1986-10-02 Ruhrkohle Ag, 4300 Essen Schlagbohrstange
FR2469150A1 (fr) * 1979-11-07 1981-05-22 Mathou Marcel Structure de mobilier a assemblage anti-bruit
DE3269795D1 (en) * 1981-06-10 1986-04-17 Ruhrkohle Ag Noise damping means for drilling rods
FR2553697B1 (fr) * 1983-10-24 1986-03-14 Charbonnages De France Dispositif d'insonorisation d'un fleuret de foration
US7210555B2 (en) * 2004-06-30 2007-05-01 Halliburton Energy Services, Inc. Low frequency acoustic attenuator for use in downhole applications
SE534173C2 (sv) * 2009-08-28 2011-05-17 Atlas Copco Secoroc Ab Borrsträngskomponenet med vibrationsdämpande struktur anordnad i anslutning till åtminstone en del av dess insida
US8431192B2 (en) 2011-07-07 2013-04-30 Baker Hughes Incorporated Methods of forming protecting coatings on substrate surfaces
US9121321B2 (en) * 2013-12-31 2015-09-01 Rufus Larry Terrell Exhaust system passive noise cancellation assembly and method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB536786A (en) * 1939-03-04 1941-05-27 Wearne Dunstan Improvements in or relating to rock drill tools
GB552305A (en) * 1941-12-03 1943-03-31 Climax Rock Drill & Engineering Works Ltd Improvements relating to percussive drills
DE1151477B (de) * 1958-04-04 1963-07-18 Electro Chimie Metal Verbindung einer Bohrkrone mit einer Bohrstange fuer Gesteinsbohrhaemmer
US3265091A (en) * 1962-12-07 1966-08-09 Jarnett Frank D De Fluid-packed drill pipe
US3842942A (en) * 1973-10-01 1974-10-22 Us Interior Constrained layer damper and noise suppressor for a rock drill steel

Also Published As

Publication number Publication date
SE390188C (sv) 1979-10-08
DE2454784B2 (de) 1976-11-25
NO143467C (no) 1981-02-18
FI350074A (it) 1975-06-04
DE2454784A1 (de) 1975-06-26
AT357132B (de) 1980-06-25
IE40547B1 (en) 1979-06-20
JPS5086770A (it) 1975-07-12
NO744332L (it) 1975-06-30
GB1467688A (en) 1977-03-16
ATA899474A (de) 1976-12-15
SE390188B (sv) 1976-12-06
CA1021211A (en) 1977-11-22
IE40547L (en) 1975-06-03
ES432481A1 (es) 1976-11-16
ZA747052B (en) 1975-11-26
SE7316276L (it) 1975-06-04
US3971447A (en) 1976-07-27
NO143467B (no) 1980-11-10
CH583846A5 (it) 1977-01-14
AU7517674A (en) 1976-05-13
IT1025541B (it) 1978-08-30
FR2253140A1 (it) 1975-06-27

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